Influence of Sowing Time on Yield and Yield Components of Spring Rapeseed in Lithuania

Sowing time, as an element, is important to improving the adaptation of cultivars to environmental conditions and to achieving high seed yields. The field experiment was conducted from 2018–2019 at the Experimental Station of Vytautas Magnus University Agriculture Academy. The experimental design in...

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Autores principales:	Lina Marija Butkevičienė, Zita Kriaučiūnienė, Rita Pupalienė, Rimantas Velička, Silvija Kosteckienė, Robertas Kosteckas, Evaldas Klimas
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	<i>Brassica napus</i> L. sowing date productivity yield components Agriculture S
Acceso en línea:	https://doaj.org/article/18e7f746b2424892a3a480904f6cbf86
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spelling	oai:doaj.org-article:18e7f746b2424892a3a480904f6cbf862021-11-25T16:05:04ZInfluence of Sowing Time on Yield and Yield Components of Spring Rapeseed in Lithuania10.3390/agronomy111121702073-4395https://doaj.org/article/18e7f746b2424892a3a480904f6cbf862021-10-01T00:00:00Zhttps://www.mdpi.com/2073-4395/11/11/2170https://doaj.org/toc/2073-4395Sowing time, as an element, is important to improving the adaptation of cultivars to environmental conditions and to achieving high seed yields. The field experiment was conducted from 2018–2019 at the Experimental Station of Vytautas Magnus University Agriculture Academy. The experimental design included treatments with different sowing dates: eight sowing dates in 2018 and 10 sowing dates in 2019. The first sowing of spring rapeseed was carried out when the soil reached its physical maturity, i.e., it did not stick to agricultural implements and it crumbled well. The other sowing dates were every seven subsequent days. From 2018–2019, the rapeseed emerged as best in early May (3 and 4 May), and later sowing reduced the emergence of rapeseed. In 2018, most pods were formed on one plant when the rapeseed was sown (on 1 June), compared to other sowings, on average 2.8 times more. In 2019, most pods were formed by the latest-sown rapeseed (7 June), from 1.4 to 2.7 times more compared to previously sown crops. In 2018, the sowing time of spring rapeseed did not have a significant effect on the number of seeds in one pod. In 2019, it was found that the rapeseed formed most of the seeds in the pod at a similar time as in 2018: the sowings of 19 April and 7 June. The average number of seeds in the pod was significantly reduced by early sowing (5 April). In 2019, the highest 1000-seed weight was found at the earliest-sown crop (5 April), which was on average 18.0% higher compared to the later sowings. The 1000-seed weight of the last-sown rapeseed (7 June) was the lowest. In 2018, the yields of early-sown (20 April) spring rapeseed were the highest. Later sowing significantly reduced the yields by 20.7 to 48.2%. In 2019, the highest seed yield was obtained after sowing spring rapeseed in late April (26 April); it was significant, on average, 1.9 times higher than the yields of spring rapeseed sown from 3 May to 7 June. Meteorological conditions had a stronger effect on the field emergence and yield components of spring rapeseed than the sowing date.Lina Marija ButkevičienėZita KriaučiūnienėRita PupalienėRimantas VeličkaSilvija KosteckienėRobertas KosteckasEvaldas KlimasMDPI AGarticle<i>Brassica napus</i> L.sowing dateproductivityyield componentsAgricultureSENAgronomy, Vol 11, Iss 2170, p 2170 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	<i>Brassica napus</i> L. sowing date productivity yield components Agriculture S
spellingShingle	<i>Brassica napus</i> L. sowing date productivity yield components Agriculture S Lina Marija Butkevičienė Zita Kriaučiūnienė Rita Pupalienė Rimantas Velička Silvija Kosteckienė Robertas Kosteckas Evaldas Klimas Influence of Sowing Time on Yield and Yield Components of Spring Rapeseed in Lithuania
description	Sowing time, as an element, is important to improving the adaptation of cultivars to environmental conditions and to achieving high seed yields. The field experiment was conducted from 2018–2019 at the Experimental Station of Vytautas Magnus University Agriculture Academy. The experimental design included treatments with different sowing dates: eight sowing dates in 2018 and 10 sowing dates in 2019. The first sowing of spring rapeseed was carried out when the soil reached its physical maturity, i.e., it did not stick to agricultural implements and it crumbled well. The other sowing dates were every seven subsequent days. From 2018–2019, the rapeseed emerged as best in early May (3 and 4 May), and later sowing reduced the emergence of rapeseed. In 2018, most pods were formed on one plant when the rapeseed was sown (on 1 June), compared to other sowings, on average 2.8 times more. In 2019, most pods were formed by the latest-sown rapeseed (7 June), from 1.4 to 2.7 times more compared to previously sown crops. In 2018, the sowing time of spring rapeseed did not have a significant effect on the number of seeds in one pod. In 2019, it was found that the rapeseed formed most of the seeds in the pod at a similar time as in 2018: the sowings of 19 April and 7 June. The average number of seeds in the pod was significantly reduced by early sowing (5 April). In 2019, the highest 1000-seed weight was found at the earliest-sown crop (5 April), which was on average 18.0% higher compared to the later sowings. The 1000-seed weight of the last-sown rapeseed (7 June) was the lowest. In 2018, the yields of early-sown (20 April) spring rapeseed were the highest. Later sowing significantly reduced the yields by 20.7 to 48.2%. In 2019, the highest seed yield was obtained after sowing spring rapeseed in late April (26 April); it was significant, on average, 1.9 times higher than the yields of spring rapeseed sown from 3 May to 7 June. Meteorological conditions had a stronger effect on the field emergence and yield components of spring rapeseed than the sowing date.
format	article
author	Lina Marija Butkevičienė Zita Kriaučiūnienė Rita Pupalienė Rimantas Velička Silvija Kosteckienė Robertas Kosteckas Evaldas Klimas
author_facet	Lina Marija Butkevičienė Zita Kriaučiūnienė Rita Pupalienė Rimantas Velička Silvija Kosteckienė Robertas Kosteckas Evaldas Klimas
author_sort	Lina Marija Butkevičienė
title	Influence of Sowing Time on Yield and Yield Components of Spring Rapeseed in Lithuania
title_short	Influence of Sowing Time on Yield and Yield Components of Spring Rapeseed in Lithuania
title_full	Influence of Sowing Time on Yield and Yield Components of Spring Rapeseed in Lithuania
title_fullStr	Influence of Sowing Time on Yield and Yield Components of Spring Rapeseed in Lithuania
title_full_unstemmed	Influence of Sowing Time on Yield and Yield Components of Spring Rapeseed in Lithuania
title_sort	influence of sowing time on yield and yield components of spring rapeseed in lithuania
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/18e7f746b2424892a3a480904f6cbf86
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Influence of Sowing Time on Yield and Yield Components of Spring Rapeseed in Lithuania

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